The spatial distribution of SDBD-generated RONS on the treated surface was visualized using the potassium iodide (KI)–starch method [21 ]. To prepare a gel reagent, the commercial-grade agar powder was mixed with DI water for 0.5% w/v concentration. The KI for analysis powder (Sigma-Aldrich, Germany) and starch-soluble GR for analysis (Merck KGaA, Germany) were dissolved for each 0.5% w/v in the agar solution. The solution was placed in a Petri dish (8.79 cm in diameter) and heated by the autoclave at a temperature of 121 °C. Finally, the solution became a gel at room temperature. The SDBD reactor was located 5.0 mm above the surface of the KI–starch agar gel reagent during plasma treatment.
Starch soluble gr for analysis
Manufactured by Merck Group
Sourced in Germany
Starch-soluble GR is a laboratory product used for analysis. It serves as a core function in various analytical procedures.
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Lab products found in correlation
2 protocols using starch soluble gr for analysis
1
Visualizing RONS Distribution in SDBD Plasma
2
Plasma-Treated KI-Starch Agar Characterization
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KI-starch agar preparation procedure was adapted from Kawasaki et al. [15 (link)]. In brief, commercial-grade agar powder is dissolved in 25-ml of DI water, resulting in 0.5% weight by volume (w/v) concentration. Analytic-grade potassium iodide (KI) powder (Sigma-Aldrich, Germany) and starch soluble GR for analysis (Merck, Germany) were then added to reach 0.5% w/v. The solution was then autoclaved. KI-starch agar solution was left to set at the room temperature before further experiments.
KI-starch agar was then plasma-treated with varying feeding gases, (1) (2) + (3) (4) air for 1 min. After that, pictures were taken at different standing times (0–60 min) from both top and cross-section angles. The diffused area was measured.
KI-starch agar was then plasma-treated with varying feeding gases, (1) (2) + (3) (4) air for 1 min. After that, pictures were taken at different standing times (0–60 min) from both top and cross-section angles. The diffused area was measured.
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